def create_ephemeral_disk(self, instance):
eph_vhd_size = instance.get('ephemeral_gb', 0) * units.Gi
if not eph_vhd_size:
return
eph_vhd_format = constants.DEFAULT_DISK_FORMAT
eph_vhd_path = pathutils.ephemeral_vhd_path(instance, eph_vhd_format)
self._vbox_manage.create_hd(filename=eph_vhd_path,
size=eph_vhd_size / units.Mi,
disk_format=eph_vhd_format,
variant=constants.VARIANT_STANDARD)
self._vbox_manage.modify_hd(filename=eph_vhd_path,
field=constants.FIELD_HD_TYPE,
value=constants.VHD_TYPE_IMMUTABLE)
# Note(alexandrucoman): For immutable (differencing) hard disks only
# Autoreset option determines whether the disk is automatically reset
# on every VM startup
# self._vbox_manage.modify_hd(filename=eph_vhd_path,
# field=constants.FIELD_HD_AUTORESET,
# value=constants.ON)
return eph_vhd_path
def create_ephemeral_disk(self, instance):
eph_vhd_size = instance.get('ephemeral_gb', 0) * units.Gi
if not eph_vhd_size:
return
eph_vhd_format = constants.DEFAULT_DISK_FORMAT
eph_vhd_path = pathutils.ephemeral_vhd_path(instance, eph_vhd_format)
self._vbox_manage.create_hd(filename=eph_vhd_path,
size=eph_vhd_size / units.Mi,
disk_format=eph_vhd_format,
variant=constants.VARIANT_STANDARD)
self._vbox_manage.modify_hd(filename=eph_vhd_path,
field=constants.FIELD_HD_TYPE,
value=constants.VHD_TYPE_IMMUTABLE)
# Note(alexandrucoman): For immutable (differencing) hard disks only
# Autoreset option determines whether the disk is automatically reset
# on every VM startup
# self._vbox_manage.modify_hd(filename=eph_vhd_path,
# field=constants.FIELD_HD_AUTORESET,
# value=constants.ON)
return eph_vhd_path
def test_ephemeral_vhd_path(self, mock_instance_basepath, mock_join):
pathutils.ephemeral_vhd_path(self._instance, 'fake-disk-format')
mock_instance_basepath.assert_called_once_with(self._instance)
self.assertEqual(1, mock_join.call_count)
def test_ephemeral_vhd_path(self, mock_instance_basepath, mock_join):
pathutils.ephemeral_vhd_path(self._instance, "fake-disk-format")
mock_instance_basepath.assert_called_once_with(self._instance)
self.assertEqual(1, mock_join.call_count)